[PATCH v2 9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU
Anup Patel
anup at brainfault.org
Fri Apr 2 05:14:22 BST 2021
On Wed, Mar 31, 2021 at 10:05 PM Jisheng Zhang
<jszhang3 at mail.ustc.edu.cn> wrote:
>
> From: Jisheng Zhang <jszhang at kernel.org>
>
> Now we can set ARCH_HAS_STRICT_MODULE_RWX for MMU riscv platforms, this
> is good from security perspective.
>
> Signed-off-by: Jisheng Zhang <jszhang at kernel.org>
Looks good to me.
Reviewed-by: Anup Patel <anup at brainfault.org>
Regards,
Anup
> ---
> arch/riscv/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 87d7b52f278f..9716be3674a2 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -28,6 +28,7 @@ config RISCV
> select ARCH_HAS_SET_DIRECT_MAP
> select ARCH_HAS_SET_MEMORY
> select ARCH_HAS_STRICT_KERNEL_RWX if MMU
> + select ARCH_HAS_STRICT_MODULE_RWX if MMU
> select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
> select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
> select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
> --
> 2.31.0
>
>
>
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